Look Up > Interactions by Drug Interactions by Drug (P-S)  Brand Names   Generic Names # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z P Papaverine Paramethasone Acetate   Paroxetine   Pemoline   Penbutolol   Penicillamine   Pentobarbital   Pentoxifylline   Perindopril Erbumine   Perphenazine   Phendimetrazine   Phenelzine   Pheniramine, Phenylpropanolamine, and Pyrilamine   Phenobarbital   Phentermine   Phenylephrine   Phenylephrine and Scopolamine   Phenylephrine and Zinc Sulfate   Phenylpropanolamine   Phenyltoloxamine, Phenylpropanolamine, and Acetaminophen   Phenyltoloxamine, Phenylpropanolamine, Pyrilamine, and Pheniramine   Phenytoin   Phenytoin With Phenobarbital   Pindolol   Piroxicam   Polyestradiol   Polymyxin B and Hydrocortisone   Polythiazide   Polythiazide and Reserpine   Pramoxine and Hydrocortisone   Pravastatin   Prazepam   Prednisolone   Prednisolone and Gentamicin   Prednisone   Primidone   Prochlorperazine   Progesterone   Promazine   Promethazine   Promethazine and Codeine   Promethazine and Dextromethorphan   Promethazine and Phenylephrine   Promethazine, Phenylephrine, and Codeine   Propiomazine   Propoxyphene and Acetaminophen   Propoxyphene and Aspirin   Propranolol   Propranolol and Hydrochlorothiazide   Propylhexedrine   Protriptyline   Pseudoephedrine   Pseudoephedrine and Ibuprofen # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Q Quazepam Quinapril   Quinestrol   Quinethazone # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z R Ramipril Reserpine   Ritonavir # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z S Saquinavir Scopolamine   Secobarbital   Selegiline   Sertraline   Sibutramine   Simvastatin   Sodium Bicarbonate   Sotalol   Sparfloxacin   Spirapril   Stavudine   Sulfacetamide Sodium and Phenylephrine   Sulfacetamide Sodium and Prednisolone   Sulfamethoxazole and Phenazopyridine   Sulfasalazine   Sulindac   Sumatriptan Succinate   Suprofen