A recall has been issued for a migraine remedy purchased between Jan. 23 and Mar. 30, 2001. Novartis Pharmaceuticals announced the recall of double-strength pizotifen 1-mg tablets Apr. 2 because foreign tablets were found in some bottles. The company says consumption of those pills could cause hypotension. The recall applies only to Lot COL01371. Patients should return the drug to their pharmacy.