Antacids-
CNS depressants, alcohol, anticholenrergics, narcotic analgesics,

type 1 antiarrhythmics, antihistamines,  phenothiazines, tricyclics,

other psychotic agents, aniconvulsants, cimetidine, rifampicin

Adjunct to peptic ulcer
Irritable bowel syndrome

Dry mouth,  blurred vision, droesiness, muscle weakness, constipation,

unsteadiness, vertigo, g-i upset, rash, impaired alertness, and dexterity

urinary retension, changes in libido

paradoxical excitement

Glaucoma, myasthenia gravis, or urinary obstruction, jaundice

Special precautions-

chronic pulmonary insufficiency, avoid alcohol, debillated elderly patients
sedation, dependence,  unstable cardiovasscular status

severe ulcerative colitis, reflux esophagitis, porphyria

impaired renal function,
test hepatic function and blood counts in prolonged use

History of alcohol or drug abuses

Avoid long term use. Withdraw slowly

Avoid during pregnancy and lactation

Indication-
Adjunct to peptic ulcer
Irritable bowel syndrome

Dosage-
1-2 tablets thrice daily before meals  at bed time.
Maximum 8 tablets daily

Elderly or debiliated- 1 tablet twice daily then increase gradually
children- not recommended

Avoid during pregnancy and lactation