Hyoscyamine / phenyltoloxamine Side Effects
Applies to hyoscyamine / phenyltoloxamine: oral capsule
Get emergency medical help if you have any of these signs of an allergic reaction while taking hyoscyamine / phenyltoloxamine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using hyoscyamine and phenyltoloxamine and call your doctor at once if you have a serious side effect such as:
fast or uneven heart rate;
severe stomach cramps or constipation;
confusion, agitation, behavior changes, hallucinations, feelings of extreme happiness;
loss of balance or coordination, problems with speech;
double vision; or
ongoing diarrhea or vomiting.
Less serious side effects of hyoscyamine / phenyltoloxamine may include:
headache, dizziness, drowsiness, memory problems;
sleep problems (insomnia);
feeling restless or excited (especially in children); or
impotence, loss of interest in sex, or trouble having an orgasm.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
Not all side effects for hyoscyamine / phenyltoloxamine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
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- Drug class: anticholinergics/antispasmodics
Other brands: Digex NF
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