Gout:
acute attack, lowering uric acid & diet

At a glance

FrequencyOne of the most common inflammatory joint diseases — especially men from middle age onwards and women after the menopause
Other namesArthritis urica, uricopathy, "the gout" (dated), podagra (at the base joint of the big toe)
Key symptomSudden, extremely painful attack in a single joint — classically the base joint of the big toe, often at night
DiagnosisTypical attack picture plus raised uric acid; confirmed by uric acid crystals in the joint fluid
First lineAnti-inflammatory medication during the attack; afterwards long-term lowering of uric acid, usually with Allopurinol
ICD-10M10.9 (gout, unspecified)

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Table of contents

  1. What is gout?
  2. Uric acid: levels & target value
  3. Symptoms & the acute gout attack
  4. Causes & risk factors
  5. Diagnosis
  6. Therapy: the acute attack
  7. Therapy: lowering uric acid long term
  8. Diet & purines
  9. Course, everyday life & warning signs
  10. How brite helps you
  11. FAQ
  12. Related topics
Note Never stop an ongoing uric-acid-lowering therapy (e.g. Allopurinol) because of a gout attack — this can make the levels fluctuate and trigger further attacks. Conversely, it should also not be started fresh in the middle of an acute attack.

1. What is gout?

Gout is a metabolic disease in which too much uric acid builds up in the body. If the uric acid in the blood permanently exceeds its solubility limit, it forms fine, needle-shaped crystals that deposit mainly in joints and tendons. If the immune system suddenly reacts to these crystals, the joint becomes severely inflamed — this is the classic gout attack.

Uric acid is produced during the breakdown of purines. Purines are building blocks that arise partly in the body itself (during the constant turnover of cells) and are partly taken in through food — especially through meat, offal, certain fish and alcohol. Normally the kidneys excrete the excess uric acid with the urine. If this balance is disturbed — because too much uric acid is produced or too little is excreted — the level in the blood rises. This hyperuricaemia is the basic prerequisite for gout.

Important to understand: a raised uric acid level alone is not yet gout. Many people have raised levels for years without ever having an attack. Only when crystals form and trigger inflammation is it called gout. Conversely, the measured uric acid level can even appear normal during an acute attack, because the uric acid is just then "bound" in the crystals. Gout is therefore more than just a lab value — it is a genuine inflammatory joint disease.

Untreated, it rarely stops at a single attack. Over the years the attacks can become more frequent, affect several joints and eventually progress to chronic gout, in which visible uric acid nodules (tophi) form and joints are permanently damaged. The good news: this can almost always be prevented by consistently lowering uric acid.

The good news Gout is one of the few rheumatic diseases that can be treated at its root cause. If uric acid is permanently lowered below the target value, the crystals dissolve over time — attacks stop and any damage that has already occurred does not progress further.

2. Uric acid: levels & target value

Uric acid is measured in the blood in milligrams per decilitre (mg/dl) or in micromoles per litre (µmol/l). The decisive threshold is the point at which uric acid no longer stays fully in solution: it lies at about 6.8 mg/dl (around 400 µmol/l). Above this value crystals can form — which is why it is the reference point for the entire treatment.

RangeUric acid (mg/dl)Meaning
Normal range (men)about 3.5–7.0Usually unremarkable
Normal range (women)about 2.5–6.0Lower before the menopause
Crystallisation thresholdfrom 6.8Crystals can form from here on
Treatment target in goutbelow 6.0Crystals slowly dissolve
Target in severe gout / tophibelow 5.0Faster dissolution of the deposits
Table scrollable to the right

The most important value you should remember is the target value below 6.0 mg/dl. It is the actual goal of any long-term therapy — not freedom from symptoms alone. Because even when no attack is currently occurring, more crystals can continue to deposit at higher values. In pronounced gout with visible nodules, an even lower target of below 5.0 mg/dl is aimed for, so that the deposits dissolve faster.

This is why gout is one of the few diseases in which a single lab value defines the treatment goal so clearly. Regular checks of uric acid show whether the medication dose is right — similar to blood pressure or long-term blood sugar.


3. Symptoms & the acute gout attack

The most striking feature of gout is the acute attack. It typically begins suddenly, often at night or in the early morning hours, and reaches its peak within a few hours. The affected joint is:

  • Extremely painful — even the touch of the bed sheet can be almost unbearable
  • Severely swollen and tense
  • Red, often shiny, and noticeably warm
  • Severely restricted in movement

In more than half of cases the first attack strikes the base joint of the big toe — this classic picture is called podagra. Why there of all places? The toe is the coolest point of the body and the furthest from the trunk, and uric acid crystallises out more easily in a cooler environment. The mechanical load when walking also favours deposition. However, the ankle, knee, fingers, wrist or elbow joint can be affected just as well.

A single attack subsides on its own after a few days up to about two weeks, even without treatment. This misleads many into overlooking the fact that the actual cause — the high uric acid — persists. Between attacks the joint is often completely symptom-free (the so-called intercritical interval). Without long-term therapy, however, the next attack usually follows sooner or later, and the attack-free phases become shorter over time.

In long-standing, untreated gout, tophi can form: visible, usually painless nodules of uric acid crystals, for example on the ears, fingers, elbows or the Achilles tendon. They are a sign that a great deal of uric acid has been deposited in the body, and a clear reason for consistent lowering. General joint pain has many causes — but the sudden, deeply red single attack is typical of gout.


4. Causes & risk factors

The basis of any gout is a permanently raised uric acid level. Whether it develops depends on two mechanisms: the body produces too much uric acid, or the kidneys excrete too little. In most people, reduced excretion predominates. Both routes are influenced by predisposition and lifestyle.¹

  • Predisposition: gout tends to run in families; the kidneys' ability to excrete uric acid is partly genetically determined.
  • Sex and age: men are affected considerably more often. Women are relatively protected up to the menopause by the hormone oestrogen.
  • Diet: a lot of meat, offal, certain fish and seafood, as well as drinks sweetened with fructose, raise uric acid.
  • Alcohol: beer in particular (including alcohol-free beer, because of the purines) and spirits drive the levels up and trigger attacks.
  • Excess weight and metabolic syndrome (abdominal fat, high blood pressure, disturbed sugar metabolism) are closely linked with gout.
  • Kidney weakness: impaired kidney function reduces excretion. Conversely, gout damages the kidneys — more on this at chronic kidney disease.
  • Medication: certain water tablets (diuretics) as well as low-dose Aspirin can raise uric acid.

An attack is often set off by a concrete trigger: a lavish meal with lots of meat, an evening with plenty of alcohol, a fasting cure or heavy sweating with fluid deficiency, but also infections, operations or — importantly — the abrupt starting or changing of a uric-acid-lowering therapy. This is why such a therapy is never started fresh in the middle of an attack and is always dosed up slowly at the start.

Even slim, "healthy" people can get gout Gout is regarded as a "disease of affluence", but it is strongly influenced by heredity. Anyone with a family predisposition can have raised levels despite a moderate lifestyle. Diet alone is then often not enough to reach the target value — medication is no sign of personal failure.

5. Diagnosis

The diagnosis rests on the typical symptom picture combined with uric acid and, where possible, direct detection of crystals.¹,²

  • Clinical picture: a sudden, deeply red, extremely painful single attack — especially at the base joint of the big toe — is already very typical of gout.
  • Uric acid in the blood: usually raised. Caution: during an acute attack the value can be normal. A measurement a few weeks after the attack is more meaningful.
  • Joint aspiration: the actual proof. Some fluid is drawn from the inflamed joint and examined under the microscope for uric acid crystals. This allows gout to be reliably distinguished from other causes.
  • Imaging: ultrasound or a special computed tomography can make crystal deposits visible — helpful when aspiration is not possible or the picture is unclear.
  • Accompanying values: kidney function, blood sugar, blood lipids and blood pressure are checked as well, because gout frequently occurs together with these conditions.

The most important distinction is from a bacterial joint infection (septic arthritis): it too shows a red, swollen, painful joint, but it is an emergency. With high fever and a severe feeling of illness, this cause must always be ruled out — more on this in the warning below. So-called pseudogout can also resemble it, in which other crystals (calcium pyrophosphate) trigger the inflammation; it can only be reliably distinguished via the joint fluid.

6. Therapy: the acute attack

In an acute gout attack it is about one thing: stopping the inflammation and the pain as quickly as possible. The earlier treatment is given, the better — ideally within the first few hours. Lowering uric acid plays no role at this point; it comes only afterwards.¹

Alongside medication, simple measures help: resting and elevating the joint, cooling it carefully and drinking plenty. For the drug treatment there are three well-established options, chosen according to any accompanying conditions.

Acute Medication against the attack
NSAIDs (e.g. Ibuprofen)
Anti-inflammatory painkillers are often the first choice in otherwise healthy people. They act quickly. Caution with stomach problems, kidney weakness and heart disease — then they are often not suitable.
A special gout medicine that dampens the inflammatory reaction. Works best when given early and in a low dose. Doses that are too high cause diarrhoea — the modern, low dosing is considerably better tolerated.
Cortisone (e.g. Prednisolone)
Very effective as a tablet or injected directly into the joint. Especially suitable when NSAIDs and Colchicine are not an option — for example with kidney disease. Well tolerated when used short term.
The most important thing to remember about lowering uric acid A uric-acid-lowering therapy (e.g. Allopurinol) is not started fresh in the middle of an acute attack — a sudden drop in uric acid can intensify or prolong the attack. But if you are already taking Allopurinol, it is continued without interruption. Stopping it during an attack would be a mistake, because fluctuating levels favour new attacks.

7. Therapy: lowering uric acid long term

The acute attack treats the symptom — the long-term therapy treats the cause. Its aim is to lower uric acid enough that no new crystals form and existing deposits dissolve over time. The goal is clear: below 6.0 mg/dl, and in pronounced gout with tophi below 5.0 mg/dl.¹,³

When permanent drug lowering makes sense is decided by the medical practice — as a rule with repeated attacks, with visible tophi, with gout damage on the X-ray, or with very high levels and accompanying kidney disease. Important: the therapy is designed for the long term. It only works as long as it is taken — if it is stopped, uric acid rises again and the attacks return.

Long-term therapy Uric-acid-lowering agents
The standard first-choice agent. It inhibits the formation of uric acid. It is started low and increased slowly until the target value is reached. Regular blood checks steer the dose.
Febuxostat
An alternative when Allopurinol is not tolerated or the target value is not reached with it. It works via the same mechanism but is processed differently by the kidney.
Attack protection at the start
In the first weeks of lowering uric acid, attacks are paradoxically more frequent. That is why low-dose Colchicine or an NSAID is often given alongside for a few months as protection.
Never start fresh during an attack
It is begun in the attack-free interval, not during the acute attack. A therapy already under way, however, is not interrupted during an attack.

A common misunderstanding: many people stop Allopurinol as soon as they have gone a few months without an attack — in the belief that they are "cured". But this is exactly what often leads to a relapse. The good state is the result of the treatment, not its end. Changes to the therapy always belong in medical hands. More on dealing with several preparations: drug interactions.

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  • Intake reminder for Allopurinol & co.
  • Uric acid trend at a glance
  • Interactions checked
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8. Diet & purines

Diet can noticeably influence uric acid — sometimes enough on its own with slightly raised levels, and as a sensible complement to medication in pronounced gout. Important for perspective: diet alone usually lowers uric acid by only about 1 mg/dl. Anyone with a markedly excessive value will rarely reach the target with it alone — diet does not replace long-term therapy, it supports it.²,³

Purines are the raw material from which uric acid is formed. It is worth knowing purine-rich foods and placing them in realistic portion sizes — not every figure in tables refers to the same amount.

Food (realistic portion)Purine contentRecommendation
Offal (liver, kidney), 100 gVery highAvoid
Sardines, anchovies, herring, 100 gVery highAvoid
Beer, including alcohol-free, 0.5 lHigh (plus alcohol effect)Restrict strongly
Red meat/sausage, 150 gHighRarely, small portions
Seafood, 100 gHighRarely
Pulses, 100 g cookedMediumOkay in moderation
Vegetables (including spinach, mushrooms), portionLow to mediumHarmless
Dairy products (low-fat), portionVery lowBeneficial, tend to lower
Eggs, coffee, waterPractically purine-freeHarmless
Table scrollable to the right

Two points surprise many people: firstly, plant-based purine-rich foods such as spinach, mushrooms or pulses are considerably less problematic than animal ones — they do not have to be strictly avoided. Secondly, fructose plays a big role: sugar-sweetened soft drinks and fruit juices drive uric acid up and should be strongly restricted. What tends to lower the levels, on the other hand, are low-fat dairy products, coffee and above all an adequate amount to drink.

  • Drink plenty: about 2 litres of water a day (unless medically restricted) help the kidneys with excretion.
  • Reduce alcohol: especially beer and spirits; beer is purine-rich in the alcohol-free variant too.
  • Avoid sugar-sweetened drinks: replace soft drinks and fruit juices with water or unsweetened tea.
  • Lose weight slowly: reducing excess weight helps — but no crash diets or fasting cures, which can trigger attacks in the short term.
  • Limit animal purines: avoid offal and certain fish, keep meat portions small.

9. Course, everyday life & warning signs

Gout typically runs in phases: the first attack is often followed by symptom-free intervals, then — without treatment — more frequent attacks, and finally the chronic form with tophi and joint damage. The decisive lever against this course is the permanent lowering of uric acid. If the target value is reached and held, the process can practically be stopped and in part reversed.

  • Stick with the tablet: the long-term therapy only works with reliable, daily intake. A fixed routine (e.g. in the morning) helps.
  • Have uric acid checked: regular blood values show whether the dose is right. Note the values and bring them to your appointment.
  • Know your triggers: lavish meals, alcohol-heavy evenings, heavy sweating and fluid deficiency can set off attacks.
  • Be careful with certain medication: some water tablets and low-dose Aspirin raise uric acid — do not stop them yourself, but have them medically reviewed.
  • Treat accompanying conditions too: blood pressure, blood sugar and blood lipids are part of gout, because they often occur together.
Rule out septic arthritis — an emergency when in doubt An acutely severely swollen, red joint together with high fever, chills and a pronounced feeling of illness can be a bacterial joint infection (septic arthritis) rather than a gout attack — a medical emergency that must be treated quickly to save the joint. In this case do not wait, but have yourself examined by a doctor immediately or call 112 in an emergency.

How brite helps you with gout

Gout is not treated in days but over years — the acute attack is only the tip. The long-term therapy only works if it runs reliably and uric acid stays in view. That is exactly what brite supports.

  • Intake reminder — Allopurinol, Febuxostat or the Colchicine attack protection on time and without gaps. Set up a reminder
  • Health history — document uric acid levels, attacks and weight and bring them to your appointment as a curve. That way the practice can see whether the target value is reached. Track your history
  • Interaction check — detects critical combinations, such as water tablets or painkillers that influence uric acid. Check now
  • Digital medication plan — all your preparations clearly laid out for your GP, rheumatology and pharmacy. Go to the medication plan
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FAQ: Frequently asked questions about gout

From about 6.8 mg/dl uric acid crystals can form. A high value alone is not yet gout, though — only when crystals trigger a joint inflammation is it called that. Conversely, the value can even be normal during an acute attack. The treatment target value lies below 6.0 mg/dl, and below 5.0 in severe gout.
Rest the joint, elevate it, cool it carefully and drink plenty. Medication-wise, anti-inflammatory painkillers (NSAIDs such as Ibuprofen), Colchicine or cortisone help — the earlier, the better. Which medicine suits you depends on your accompanying conditions. A uric-acid-lowering therapy is not started fresh at this point.
No. An Allopurinol regimen already under way is continued without interruption during an attack — stopping it would make the levels fluctuate and favour further attacks. Starting the uric-acid-lowering therapy fresh, on the other hand, is not done during the acute attack, but only in the symptom-free interval.
This picture is called podagra. The base joint of the big toe is the coolest and most distant point from the body, and uric acid crystallises out more easily in a cooler environment. The load when walking also favours deposits. In more than half of cases gout therefore begins there — but the ankle, knee or fingers can also be affected.
As a rule, yes. The lowering of uric acid only works as long as it is taken — if you stop it, uric acid rises again and the attacks return. The symptom-free state is the result of the therapy, not its end. Changes always belong in medical hands.
Above all offal, certain fish (sardines, herring, anchovies), seafood, a lot of red meat, beer (including alcohol-free) and drinks sweetened with fructose. Plant-based purine-rich foods such as spinach, mushrooms or pulses, on the other hand, are of little concern. Low-fat dairy products, coffee and plenty of water are beneficial.
Diet helps, but usually lowers uric acid by only about 1 mg/dl. With markedly excessive levels or frequent attacks that is often not enough to reach the target value — then medication is needed. Diet does not replace the long-term therapy, but supports it. Gout is also strongly influenced by heredity.
Acute therapy stops pain and inflammation during the attack — with NSAIDs, Colchicine or cortisone. The long-term therapy then permanently lowers uric acid below 6.0 mg/dl, usually with Allopurinol, so that no new crystals form. The two belong together: the acute medicines treat the symptom, the long-term therapy the cause.
If an acutely severely swollen, red joint goes together with high fever, chills and a severe feeling of illness, a bacterial joint infection (septic arthritis) may be present instead of gout — an emergency. In that case do not wait, but have yourself examined by a doctor quickly or call 112 in an emergency.

11. Related topics

Sources

  1. Richette P. et al. 2016 updated EULAR evidence-based recommendations for the management of gout. European League Against Rheumatism (EULAR). eular.org
  2. DEGAM guideline / primary care of gout (AWMF). awmf.org
  3. gesundheitsinformation.de (IQWiG): Gout. gesundheitsinformation.de
  4. German Society for Rheumatology (DGRh). rheumatologie.de
Medical disclaimer: This article is for general information and does not replace medical advice, diagnosis or therapy. A uric-acid-lowering therapy should never be stopped, started or changed in dose on your own initiative — if you have questions, contact your treating practice. In the case of an acutely swollen, red joint with high fever and a severe feeling of illness, seek medical help immediately or call the emergency number 112. Last updated: July 2026.