These products contain phenylpropanolamine, or PPA, the chemical that has been linked to an increased risk of stroke, according to the Food and Drug Administration.

-- AcuTrim Diet Gum Appetite Suppressant Plus Dietary Supplements
-- Acutrim Maximum Strength Appetite Control.
-- Alka-Seltzer Plus Children's Cold Medicine Effervescent
-- Alka-Seltzer Plus Cold Medicine (cherry or orange flavor)
-- Alka-Seltzer Plus Cold Medicine Original
-- Alka-Seltzer Plus Cold & Cough Medicine Effervescent
-- Alka-Seltzer Plus Cold & Flu Medicine Effervescent
-- Alka-Seltzer Plus Cold & Sinus Effervescent
-- Alka-Seltzer Plus Night-Time Cold Medicine Effervescent
-- BC Allergy Sinus Cold PowderBC Sinus Cold Powder
-- Comtrex Deep Chest Cold & Congestion Relief
-- Comtrex Flu Therapy & Fever Relief Day & Night
-- Contac 12 Hour Cold Capsules
-- Contac 12 Hour Cold Caplets
-- Coricidin "D" Cold, Flu & Sinus
-- Dexatrim Caffeine Free
-- Dexatrim Extended Duration Dexatrim Gelcaps
-- Dexatrim Vitamin C/Caffeine Free
-- Dimetapp Cold & Allergy Chewable Tablets
-- Dimetapp Cold & Cough Liqui-Gels
-- Dimetapp DM Cold & Cough Elixir
-- Dimetapp Elixir
-- Dimetapp 4-Hour Liqui-Gels
-- Dimetapp 4-Hour Tablets
-- Dimetapp 12-Hour Extentabs Tablets
-- Naldecon DX Pediatric Drops
-- Permathene Mega-16
-- Robitussin CF
-- Tavist-D 12 Hour Relief of Sinus & Nasal Congestion
-- Triaminic DM Cough Relief
-- Triaminic Expectorant Chest & Head Congestion
-- Triaminic Syrup Cold & Allergy and Triaminic Triaminicol Cold & Cough.

Source: The Food and Drug Administration

Contact the FDA toll-free at (888) INFO-FDA if you have questions regarding PPA