Drugs Home > Tapazole Side Effects

Possible side effects of Tapazole may include things like heartburn, joint pain, and nausea. Unfortunately, only vague side effect information is available because this hyperthyroid medication was approved before highly detailed side effect information was required. Although most people tolerate this drug well, serious problems, such as skin ulcers or difficulty breathing, may occur in rare cases.

An Introduction to Tapazole Side Effects

As with any medicine, side effects are possible with Tapazole® (methimazole). However, not everyone who takes the medication will experience problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with Tapazole. Your healthcare provider can discuss a more complete list with you.)

Possible Side Effects of Tapazole

Tapazole is a relatively old medication, approved before it was standard practice to include highly detailed side effect information in the prescribing information. As a result, only vague side effect information is available, with no percentages.
Based on this limited information, some of the possible Tapazole side effects include but are not limited to:
  • Nausea
  • Vomiting
  • Heartburn or indigestion
  • Joint pain
  • Unusual sensations, such as tingling or pricking (especially in the hands or feet)
  • Loss of taste
  • Hair loss
  • Muscle pain
  • Headache
  • A spinning sensation (vertigo)
  • Skin pigmentation changes
  • Inflammation of lymph nodes or salivary glands.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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