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Generic Name: Sinecatechins (sin e KAT e kins)
Brand Name: Veregen

Medically reviewed on September 5, 2018

Uses of Veregen:

What do I need to tell my doctor BEFORE I take Veregen?

  • If you have an allergy to sinecatechins or any other part of Veregen (sinecatechins).
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.

This medicine may interact with other drugs or health problems.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Veregen (sinecatechins) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Veregen?

  • Tell all of your health care providers that you take Veregen (sinecatechins). This includes your doctors, nurses, pharmacists, and dentists.
  • This medicine will not cure your genital or perianal warts. You may get new warts while using Veregen (sinecatechins). Tell your doctor if you see any new warts.
  • Make sure sores near the area to be treated are healed before using Veregen (sinecatechins).
  • This medicine may stain clothing or fabric.
  • Avoid sun, sunlamps, and tanning beds.
  • This medicine does not stop the spread of warts to others. Talk with your doctor about how to prevent the spread of genital warts to others.
  • Do not have any kind of sex when Veregen (sinecatechins) is on your genital or anal skin.
  • If you choose to have any kind of sex, use safe sex methods (condoms) until all warts are gone. You must wash off Veregen (sinecatechins) before having sex. Be sure the drug is washed off well. This medicine may weaken condoms and diaphragms. You may need an extra form of birth control while you are using Veregen (sinecatechins). Talk to your doctor about safe sex.
  • If you use tampons, put the tampon in before using Veregen (sinecatechins). Do not get Veregen (sinecatechins) in the vagina when putting in a tampon.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Veregen (sinecatechins) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Veregen) best taken?

Use Veregen (sinecatechins) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Do not use longer than you have been told by the doctor.
  • Do not take Veregen (sinecatechins) by mouth. Use on your skin only. Keep out of your mouth, nose, and eyes (may burn).
  • Do not put in the vagina or anus.
  • Do not put on open sores or broken skin.
  • Wash your hands before and after use.
  • Clean affected part before use. Make sure to dry well.
  • Put a thin layer on the affected skin and rub in gently.
  • Avoid putting on healthy skin.
  • Do not cover with dressings.
  • Do not bathe, shower, or swim after putting on.

What do I do if I miss a dose?

  • Put on a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not put on 2 doses or extra doses.

See also: Dosage Information (in more detail)

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Very bad skin irritation.
  • Blisters or sores.
  • Oozing or bleeding.
  • Pain when passing urine.
  • Trouble passing urine.
  • Groin or pelvic pain or swelling.

What are some other side effects of Veregen?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Redness.
  • Swelling.
  • Burning.
  • Itching.
  • Pain.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at

See also: Side effects (in more detail)

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Veregen?

  • Store at room temperature or in a refrigerator. Do not freeze.
  • Protect from heat.
  • Keep lid tightly closed.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Veregen (sinecatechins), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.