Antithyroid medications
Medication class detail with safety cues and nursing action focus.
Endocrineneeds review
Antithyroid medications
Examples: methimazole, propylthiouracil
Mechanism
Reduces thyroid hormone production so the high-metabolism state calms down.
Used for
- Hyperthyroidism
- Graves disease
Side effects
- Agranulocytosis
- Liver injury risk with selected agents
- Rash
Nursing actions
- Teach to report fever or sore throat promptly.
- Monitor thyroid labs and liver concerns as ordered.
- Pair symptom control education with beta blocker teaching when prescribed.
Hold / question cues
- Fever with sore throat
- Jaundice
- Very low WBC/neutrophil count
Antidote / reversal
- No routine class-specific antidote or reversal agent is seeded for this class; hold/question unsafe doses, support ABCs, notify the provider, and use facility or poison-control guidance for toxicity.
NCLEX pearl
- Hyperthyroid is too fast; treatment slows hormone production.
Individual drug cards
Related study cards
Shows conditions, glossary terms, Drive entities, and source-linked cards connected to this medication class.
Drugmedication class
Methimazole (Tapazole)
Fever plus sore throat on antithyroid therapy is an agranulocytosis cue.
Drugmedication class
Propylthiouracil (PTU)
Jaundice on PTU is a high-priority safety cue.
Conditionmedication safety
Graves disease
Heat intolerance, weight loss, tachycardia, tremor.
Conditionmedication safety
Hyperthyroidism / Graves disease
High metabolism: hot, fast, thin, anxious.