Comparing Methimazole vs Propylthiouracil
| Methimazole | Propylthiouracil |
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| Methimazole | Propylthiouracil |
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Prescription only
Prescribed for Hyperthyroidism. Methimazole may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for Thyroid Storm, Hyperthyroidism, Alcoholic Liver Damage. Propylthiouracil may also be used for purposes not listed in this medication guide. |
Related suggestions Hyperthyroidism
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| More about Methimazole | More about Propylthiouracil | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Methimazole has an average rating of 5.5 out of 10 from a total of 114 ratings on Drugs.com. 34% of reviewers reported a positive effect, while 35% reported a negative effect. |
Propylthiouracil has an average rating of 4.8 out of 10 from a total of 4 ratings on Drugs.com. 25% of reviewers reported a positive effect, while 50% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||||||||||
View all Methimazole side effects |
View all Propylthiouracil side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Methimazole prices |
View all Propylthiouracil prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Tapazole |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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13 hours |
5 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category D
Positive evidence of risk
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 64 drugs are known to interact with Methimazole:
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A total of 66 drugs are known to interact with Propylthiouracil:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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June 21, 1950 |
July 28, 1947 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient Resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.