Drugs Home > Precautions and Warnings With Sinecatechins

To help minimize risks while using sinecatechins, tell your healthcare provider if you have problems with your immune system or any other skin problems. It is also important for your healthcare provider to know about any other medications, vitamins, or supplements you are taking. Other warnings and safety precautions for sinecatechins apply to women who are pregnant or breastfeeding.


What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using sinecatechins (Veregen®) if you have:
  • A weakened immune system due to any cause
  • Any other skin problems
  • Any allergies, including to medications, foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
You should also tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Sinecatechins Precautions and Warnings

Some warnings and precautions to be aware of prior to using this medication include the following:
  • Sinecatechins usually causes skin reactions. These reactions vary from a little redness to severe problems like painful ulceration of the skin. If your reaction is severe, you will have to stop using this drug, either temporarily or permanently.
  • Do not use sinecatechins on skin that is not fully healed from surgery or other treatments, including other medications.
  • Avoid exposing the treated area to sunlight (this includes both natural sunlight and sun lamps).
  • Sinecatechins is approved only for people with normal immune systems. It probably works along with the body's own immune defenses and may not work well for people with a weakened immune system.
  • Avoid applying the medication to the eyes, inside the vagina, or inside the anus. Extreme irritation would likely occur. Uncircumcised males treating warts under the foreskin need to carefully retract the foreskin and gently clean the area every day to prevent phimosis (the inability to retract the foreskin).
  • Sinecatechins is a pregnancy Category C medicine, which means it might not be safe for use during pregnancy, although the full risks are currently unknown (see Veregen and Pregnancy for more information.)
  • It is unknown if sinecatechins passes through breast milk. Therefore, if you are breastfeeding or plan to start, check with your healthcare provider (or your child's healthcare provider) before using this drug (see Veregen and Breastfeeding).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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