Nervous system disorders Uncommon: Headache Not known: Convulsions*, Dizziness Heart disease Not known: Palpitations Vascular pathologies Uncommon: Hypertension, Hypotension Respiratory, thoracic and mediastinal pathologies Not known: Dyspnea Gastrointestinal disorders Common: Vomiting, Nausea, Diarrhea, Abdominal pain Uncommon: Dysgeusia, Dyspepsia, Dry mouth Skin and subcutaneous tissue disorders Uncommon: Abnormal skin odor ** Not known: Itching, Skin rash Musculoskeletal and connective tissue disorders Uncommon: Muscle spasms Not known: Myasthenia***, Muscle tension Systemic disorders and conditions related to the administration site Uncommon: Chest pain, Feeling abnormal, Pyrexia, Injection site reaction**** Diagnostic tests Uncommon: Increased blood pressure Very rare: Increased INR*****
The case goes to federal court and takes 2-4 years to resolve
Age-and sex-related differences of serum carnitine in a Japanese population
But some people experience paradoxical excitation or restless leg syndrome (RLS) after taking diphenhydramine
