A time-interval of 2 hours should be considered between Gaviscon intake and the administration of other medicinal products, especially tetracyclines, fluoroquinolones, iron salts, thyroid hormones, chloroquine, bisphosphonates, and estramustine.

Very rarely (less than 1 in 10,000 patients treated) an allergic reaction to the ingredients may occur. Care needs to be taken in treating patients with hypercalcaemia, nephrocalcinosis and recurrent calcium containing renal calculi. Adverse reactions have been ranked under headings of frequency using the following convention: very common (1/10), common (1/100 and <1/10), uncommon (1/1000 and <1/100), rare (1/10,000 and <1/1000), very rare (< 1/10,000) and not known (cannot be estimated from the available data). Peptac liquid may reduce the absorption of other medicines from the gut, which could make them less effective.Clinical studies in more than 500 pregnant women as well as a large amount of data from post-marketing experience indicate no malformative nor foeto/neonatal toxicity of the active substances. including ethyl parahydroxybenzoate (E214), propyl parahydroxybenzoate (E216) and butyl parahydroxybenzoate (see section 4. Peptac Liquid is a liquid medication which provides relief from heartburn and acid indigestion, through the use of the active ingredients Sodium Bicarbonate, Sodium Alginate, and Calcium Carbonate.

A time-interval of 2 hours should be considered between Acidex Liquid intake and the administration of other medicinal products, especially tetracyclines, digoxine, fluoroquinolone, iron salt, ketoconazole, neuroleptics, thyroid hormones, penicillamine, beta-blockers (atenolol, metoprolol, propanolol), glucocorticoid, chloroquine and biphosphonates (diphosphonates) and estramustine.Ideally, you should not be taking Peptac at the same time of day as other medication (within 2 hours of medication) as antacids can impair the absorption of some medications.