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TABLE 5
Drugs That Have Been Associated With Significant Effects on Some Nursing Infants and Should Be Given to Nursing Mothers With Caution*

Drug Reported Effect Reference No.

Acebutolol Hypotension; bradycardia; tachypnea 116
5-Aminosalicylic acid Diarrhea (1 case) 117-119
Atenolol Cyanosis; bradycardia 120-124
Bromocriptine Suppresses lactation; may be hazardous to the mother 125, 126
Aspirin (salicylates) Metabolic acidosis (1 case) 127-129
Clemastine Drowsiness, irritability, refusal to feed, high-pitched cry, neck stiffness (1 case) 130
Ergotamine Vomiting, diarrhea, convulsions (doses used in migraine medications) 131
Lithium One-third to one-half therapeutic blood concentration in infants 132-134
Phenindione Anticoagulant: increased prothrombin and partial thromboplastin time in 1 infant; not used in United States 135
Phenobarbital Sedation; infantile spasms after weaning from milk containing phenobarbital, methemoglobinemia (1 case) 136-140
Primidone Sedation, feeding problems 136, 137
Sulfasalazine (salicylazosulfapyridine) Bloody diarrhea (1 case) 141

* Blood concentration in the infant may be of clinical importance.




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