ALUMAG D SUSPENSION 200ML is an antacid and antispasmodic medication used to relieve heartburn, indigestion, and associated symptoms. It is taken orally, with recommended dosages for adults being 10-20 ml, three to four times daily, and for children over 2 years old being 5-10 ml, three to four times daily. Key contraindications include severe liver or kidney disease, glaucoma, and certain heart and prostate conditions, while children under two years of age should not be given this medication.