NOTE: Persons with CFIDS generally do not tolerate standard, “usual” dosages of many medications. It is advisable to start with lower than usual dosages and gradually increase to therapeutic range, not to exceed the FDA recommended amount.

MEDICATION CHEMICAL NAME

MEDICATION BRAND NAME

SIDE EFFECTS

COMMENTS

Phenobarbital plus hyoscyamine sulfate plus atropine sulfate, plus scopolamine hydrobromide

Donnatal; Bellatal

Drowsiness; agitation; bloating; decreased sweating; con-stipation

Potentially addicting; multiple drug interactions possible

Dicyclomine HCl

Bentyl

Blurred vision; dizziness; drowsiness; nausea; nervousness

Multiple warnings and potential drug interactions

Hyoscyamine sulfate

Levsin; Levbid; Anaspaz; Levsinex

Decreased sweating; dry mouth; drowsiness; bloating; blurred vision

Several warnings and potential drug interactions

Chlordiazepoxide HCl plus clidinium bromide

Librax

Sedating; dry mouth; blurred vision; coordination problems;  constipation

Potentially addictive; many potential drug interactions and warnings

Nizatidine

Axid

Abdominal pain; diarrhea; constipation; dimmed vision; sleep problems

Caution when taking with aspirin; drug interactions possible