Group 1 Drugs Adverse Effects

Oxybutynin (Ditropan)

constipation, xerostomia, blurred vision

Mirabegron (Myrbetriq)

hypertension, urinary tract infection

Topiramate (Topamax)

dysgeusia, metabolic acidosis, weight loss

Pregabalin (Lyrica)

drowsiness, dizziness, weight gain, peripheral edema

Gabapentin (Neurontin)

drowsiness, dizziness, ataxia

Levetiracetam (Keppra)

fatigue, somnolence, behavioral changes

Divalproex sodium (Depakene/Depakote)

asthenia, somnolence, tremor

Phenytoin (Dilantin)

gingival hyperplasia, nystagmus, ataxia

Carbidopa/levadopa (Sinemet)

dyskinesia, nausea, orthostatic hypotension

Donepezil (Aricept)

anorexia, nausea/diarrhea, bradycardia

Carbamazepine (Tegretol)

drowsiness, dizziness, nausea

Pramipexole (Mirapex)

dream disorder, dyskinesia, orthostatic hypotension, nausea, impulse control disorder

Oxcarbazepine (Trileptal)

dizziness, somnolence, hyponatremia

Lamotrigine (Lamictal)

nausea, rash, drowsiness

Memantine (Namenda)

dizziness, headache

Colchicine (Colcrys)

diarrhea, vomiting, nausea

Allopurinol (Zyloprim)

skin rash

alendronate (fosamax)

gastric ulcer, osteoporosis of jaw (rare)