Can You Get an Allopurinol Prescription Online

Getting a prescription for allopurinol online is easy. Book an online appointment with a top US doctor at PlushCare to talk about whether or not allopurinol is right for you. You can often book and attend your appointment in the same day. If your doctor determines that allopurinol would be beneficial for you, they can write or refill a prescription online and send it electronically to a pharmacy near you.

What is Allopurinol and What Does it Treat?

Allopurinol is a medication used to treat gout and kidney stones. It is also prescribed to people being treated with chemotherapy. Allopurinol belongs to the class of drugs known as xanthine oxidase inhibitors.

Brand names of allopurinol:

  • Allohexal
  • Aloprim
  • Progout
  • Lopurin
  • Zyloprim

How Does Allopurinol Work?

Allopurinol works by reducing the concentration of uric acid in the body. This is accomplished by blocking xanthine oxidase enzymes, which the body uses to turn xanthine into uric acid.

Uric Acid

Uric acid is a normal byproduct from the breakdown of purines. Typically, uric acid is dissolved in the blood and goes to the kidneys. From there it is expelled from the body with urine.

When uric acid is not efficiently removed from the body, it can buildup and form crystals in joints (gout) or in the kidneys (kidney stones). Chemotherapy can also cause high uric acid levels.

Allopurinol Dosage and Treatment

Allopurinol is usually taken as an oral tablet, once-a-day with food. It can also be injected (usually for chemotherapy patients).

Normal adults begin with one 100 mg tablet per day. This amount is increased until the desired uric acid level is attained. Typical doses for mild gout and kidney stones are 200 to 300 mg per day. For more severe cases of gout, 400 to 600 mg per day is more typical. The maximum dose is 800 mg.

Oral tablets that are taken for management of chemotherapy side effects usually contain higher doses of 600 to 800 mg per day.

Dosages might be adjusted for certain patients. Always follow the directions given by your doctor and the instructions on the prescription label.

Benefits of Allopurinol

  • Helps prevent acute attacks of gout and reduce complications of gout such as crystalline deposits of uric acid, joint destruction, kidney stones, or kidney disease.
  • Treats reoccurring kidney stones
  • Helps reduce uric acid levels

Side Effects of Allopurinol

It is life-threatening to have a severe allergic reaction to allopurinol. If a person has hives, difficulty breathing, swelling of the face or throat, skin pain, burning eyes, or a rash with blistering after using allopurinol, seek emergency medical attention.

Common side effects of allopurinol

  • Joint pain, particularly in the ankle, knee, or toe
  • Joint stiffness or swelling
  • Rash, which can occur with lesions that are either flat or raised (stop taking allopurinol and contact your doctor right away if you show any sign of rash)
  • Nausea or vomiting
  • Diarrhea
  • Headache
  • Change in your sense of taste
  • Abnormal results from liver function tests
  • Drowsiness

Stop taking allopurinol and contact your doctor right away if you experience any of the rarer side effects of allopurinol:

  • Flu-like symptoms
  • Painful, reduced, dark or bloody urination
  • Numbness, tingling, or burning sensations
  • Symptoms of gout get worse
  • Yellowing of skin around eyes (jaundice)
  • Stomach pain (upper right side)
  • Loss of appetite or weight loss
  • Clay-colored stools

This is not a complete list of all side effects. If you experience any side effects that are not listed here, call your doctor.

Considerations and Precautions of Allopurinol

Some foods have high levels of purines and can make gout worse. Consider dietary management to help prevent gout.

Drug interactions

There are 137 drugs known to cause interactions with Allopurinol. Before taking Allopurinol, discuss with your doctor any medications or herbal supplements you are taking, including over-the-counter drugs.

The most common/dangerous contradictions are with:

  • Azathioprine or mercaptopurine
  • Chlorpropamide
  • Cyclosporine
  • Antibiotics
  • Blood thinners
  • Diuretics (“water pill”)
  • Alcohol

Condition interactions

Tell your doctor if you have had any of these conditions before taking allopurinol.

  • Bone marrow suspension
  • Dehydration
  • Liver disease
  • Kidney dysfunction
  • Diabetes
  • Heart failure
  • Hypertension
  • Chemotherapy

It is unknown whether or not allopurinol is dangerous for unborn babies or if it passes into breast milk. Tell your doctor if you are pregnant or plan on becoming pregnant anyway.

Can You Buy Allopurinol Online?

Yes, you can buy allopurinol online even though it is prescription only. Although there are dangerous online “pharmacies” that can damage your health and/or wallet, there are safe ones as well. The FDA has a guide for choosing an online pharmacy.

Fortunately, there are reputable sites like PlushCare where you can talk to a doctor through an online appointment. If your doctor decides allopurinol is appropriate for you, they can write or refill a prescription online and help you choose a trustworthy online pharmacy.

PlushCare takes content accuracy seriously so we can be your trusted source of medical information. Most articles are reviewed by M.D.s, Ph.D.s, NPs, or NDs. Click here to meet the healthcare professionals behind the blog.

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