Mr. Phenytoin
Featuring the following
Side Effects:
Ataxia
Tremor
Hirsutism
Nystagmus
Somnolence (moon)
Gingival Hyperplasia
↓ Coordination & concentration
Dizziness
Other Side Effects (not depicted)
Acne
Rash
GI (N&V, diarrhea)
Blood dyscrasias
Osteomalacia
Vitamin D ↓
Folic acid ↓
T4 ↓
Other Tedious Tidbits about Phenytoin
Suspension/tablets are 100% bioavailable, while the capsules & injections are only 92%
Phenytoin exhibits saturable kinetics, so increasing dose will dramatically spike blood levels.
CBC, LFT and plasma folate levels should be monitored while taking phenytoin.
Serum troughs should be at 40-80 umol/L at steady state.
Reference: Rx Files 9th Edition
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What Is This?
This is part of my Pictoffect Series (drug side effects illustrated through creatures).
All side effects are referenced from Rx Files 9th Edition.
