FDA data Registry peer set 1 peer

Alternatives to methimazole

1 same-class SPL records vs methimazole - uses, FAERS reaction fields, and OTC/Rx flags from public FDA sources.

View methimazole → All alternatives

Brand: Tapazole

Anti-Thyroid Agent Prescription 1 alternative found

About methimazole

Methimazole (Tapazole) is a medicine that lowers the amount of thyroid hormone your body makes. It helps treat hyperthyroidism (overactive thyroid).

Used for: This medicine treats hyperthyroidism, a condition where your thyroid gland makes too much thyroid hormone. Too much thyroid hormone can cause weight loss, fast heartbeat, sweating, and feeling nervous or irritable. Methimazole helps to reduce these symptoms by lowering the amount of thyroid hormone in your body.

View full methimazole profile →

1 Anti-Thyroid Agent peers (wide set)

propylthiouracil

Rx

PTU

PTU treats hyperthyroidism, which is when your thyroid gland makes too much thyroid hormone. It is used for Graves’ disease or toxic multinodular goiter when you cannot take methimazole, or when surgery or radioactive iodine is not a good option for you. PTU can also help control hyperthyroidism symptoms before thyroid surgery or radioactive iodine treatment.

Compare methimazole vs propylthiouracil side-by-side →

methimazole vs propylthiouracil · FAERS reaction fields

FAERS top-reaction field "Fatigue" shows the widest count spread between methimazole and propylthiouracil in this extract (368-report gap on that field). Counts are exposure-weighted submissions, not prevalence rates.

Side Effect methimazole propylthiouracil
Fatigue 426 58
Hyperthyroidism 384 135
Nausea 372 87
Diarrhoea 325 49
Headache 315 -
Pain 296 -
Dizziness 292 -
Dyspnoea 266 -

"-" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.

methimazole peer mix vs class inventory

Peer mix

0 OTC and 1 Rx SPL records in this peer set (1 total). Class inventory for Anti-Thyroid Agent: 2 drugs.

Frequently Asked Questions

What same-class SPL records sit beside methimazole? ▼
This registry lists 1 Anti-Thyroid Agent medication records beside methimazole, including propylthiouracil. Grouping is therapeutic-class indexing from openFDA/SPL, not a product recommendation.

Reading a wide Anti-Thyroid Agent peer set (1 records)

methimazole (Tapazole) sits in a wide Anti-Thyroid Agent peer set (1 of 1 class peers shown). Labeled indication field for methimazole: This medicine treats hyperthyroidism, a condition where your thyroid gland makes too much thyroid hormone.

Top FAERS reaction fields for methimazole total 3,131 reports across 10 reactions, set beside propylthiouracil. Counts are exposure-weighted submissions, not per-patient risk.

Registry note: Therapeutic-class peer lists are registry indexes, not prescribing advice. This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.

Full methimazole profile →

Field note for methimazole: see also the generic vs brand label guide when reading Tapazole SPL strings.

Read our methodology - how this data is sourced, computed, and verified.