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Phentermine Side Effects List

Common Phentermine Side Effects


The following Phentermine Side Effects were reported by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers) and manufacturers.

It is important to know potential risks posed by drugs and health products. Staying informed can help you make right decisions and stay healthy.

You can read detailed reports by clicking on a side effect.




Abdominal Distension 3 reports0.27%
Abdominal Pain 15 reports1.35%
Abdominal Pain Lower 1 reports0.09%
Abdominal Pain Upper 16 reports1.44%
Abdominal Tenderness 2 reports0.18%
Abnormal Behaviour 6 reports0.54%
Abnormal Sensation In Eye 2 reports0.18%
Abortion Spontaneous 2 reports0.18%
Acne 1 reports0.09%
Acute Hepatic Failure 1 reports0.09%
Acute Myocardial Infarction 3 reports0.27%
Acute Respiratory Distress Syndrome 1 reports0.09%
Affective Disorder 1 reports0.09%
Aggression 1 reports0.09%
Agitation 4 reports0.36%
Akinesia 1 reports0.09%
Alanine Aminotransferase Increased 5 reports0.45%
Alopecia 4 reports0.36%
Amnesia 2 reports0.18%
Anal Fissure 1 reports0.09%
Anaphylactic Reaction 1 reports0.09%
Anger 4 reports0.36%
Angina Pectoris 1 reports0.09%
Angioedema 1 reports0.09%
Anhedonia 1 reports0.09%
Anogenital Warts 1 reports0.09%
Anxiety 22 reports1.98%
Aortic Valve Incompetence 3 reports0.27%
Aphasia 1 reports0.09%
Appetite Disorder 1 reports0.09%
Arrhythmia 3 reports0.27%
Arterial Occlusive Disease 1 reports0.09%
Arteriogram Abnormal 1 reports0.09%
Arteriospasm Coronary 9 reports0.81%
Arthralgia 3 reports0.27%
Aspartate Aminotransferase Increased 4 reports0.36%
Asthenia 6 reports0.54%
Asthma 3 reports0.27%
Atelectasis 2 reports0.18%
Atrioventricular Block Complete 1 reports0.09%
Back Pain 3 reports0.27%
Balance Disorder 1 reports0.09%
Basedow's Disease 2 reports0.18%
Benign Prostatic Hyperplasia 1 reports0.09%
Bile Duct Stone 1 reports0.09%
Biliary Colic 3 reports0.27%
Biliary Dyskinesia 1 reports0.09%
Bipolar Disorder 1 reports0.09%
Bladder Obstruction 1 reports0.09%
Blood Alkaline Phosphatase Increased 1 reports0.09%
Blood Amylase Increased 1 reports0.09%
Blood Cholesterol Increased 3 reports0.27%
Blood Disorder 1 reports0.09%
Blood Glucose Increased 1 reports0.09%
Blood Pressure Fluctuation 2 reports0.18%
Blood Pressure Immeasurable 1 reports0.09%
Blood Pressure Increased 14 reports1.26%
Blood Pressure Systolic Increased 2 reports0.18%
Blood Thyroid Stimulating Hormone Increased 1 reports0.09%
Blood Uric Acid Increased 1 reports0.09%
Blood Urine Present 2 reports0.18%
Bradycardia 2 reports0.18%
Brain Oedema 2 reports0.18%
Brain Stem Infarction 1 reports0.09%
Breast Cancer 1 reports0.09%
Breast Pain 1 reports0.09%
Breast Tenderness 1 reports0.09%
Bronchitis 1 reports0.09%
Burning Sensation 1 reports0.09%
Calculus Urinary 2 reports0.18%
Cardiac Arrest 11 reports0.99%
Cardiac Death 1 reports0.09%
Cardiac Disorder 1 reports0.09%
Cardiac Enzymes Increased 2 reports0.18%
Cardiac Murmur 2 reports0.18%
Cardiac Valve Disease 4 reports0.36%
Cardiac Valve Rupture 2 reports0.18%
Cardiac Ventricular Disorder 1 reports0.09%
Cardio-respiratory Arrest 5 reports0.45%
Cardiomyopathy 2 reports0.18%
Cardiovascular Disorder 1 reports0.09%
Carotid Artery Stenosis 1 reports0.09%
Cellulitis 1 reports0.09%
Cerebral Atrophy 1 reports0.09%
Cerebral Haemorrhage 1 reports0.09%
Cerebral Infarction 2 reports0.18%
Cerebrovascular Accident 9 reports0.81%
Cheilitis 1 reports0.09%
Chest Discomfort 7 reports0.63%
Chest Pain 20 reports1.80%
Choking 1 reports0.09%
Cholecystectomy 1 reports0.09%
Cholecystitis 4 reports0.36%
Cholecystitis Acute 3 reports0.27%
Cholecystitis Chronic 14 reports1.26%
Cholecystitis Infective 1 reports0.09%
Cholelithiasis 15 reports1.35%
Coagulopathy 1 reports0.09%
Cold Sweat 1 reports0.09%
Colitis 2 reports0.18%
Colitis Ischaemic 11 reports0.99%
Colitis Ulcerative 1 reports0.09%
Coma 2 reports0.18%
Completed Suicide 4 reports0.36%
Confusional State 8 reports0.72%
Congenital Anomaly 1 reports0.09%
Conjunctival Hyperaemia 1 reports0.09%
Constipation 3 reports0.27%
Convulsion 7 reports0.63%
Coordination Abnormal 1 reports0.09%
Coronary Artery Disease 4 reports0.36%
Cough 1 reports0.09%
Crying 1 reports0.09%
Cyanosis 1 reports0.09%
Cystitis Interstitial 1 reports0.09%
Deafness 1 reports0.09%
Death 1 reports0.09%
Decreased Appetite 1 reports0.09%
Deep Vein Thrombosis 12 reports1.08%
Dehydration 1 reports0.09%
Delirium 1 reports0.09%
Delusion 3 reports0.27%
Depression 5 reports0.45%
Dermatomyositis 2 reports0.18%
Device Failure 1 reports0.09%
Diarrhoea 6 reports0.54%
Difficulty In Walking 1 reports0.09%
Dilatation Ventricular 1 reports0.09%
Diplopia 1 reports0.09%
Discomfort 1 reports0.09%
Disorientation 2 reports0.18%
Disturbance In Attention 2 reports0.18%
Dizziness 12 reports1.08%
Drooling 2 reports0.18%
Dry Eye 1 reports0.09%
Dry Mouth 3 reports0.27%
Dry Skin 1 reports0.09%
Dysarthria 1 reports0.09%
Dysgeusia 2 reports0.18%
Dyspepsia 5 reports0.45%
Dysphagia 1 reports0.09%
Dysphoria 1 reports0.09%
Dyspnoea 27 reports2.43%
Dysuria 2 reports0.18%
Eating Disorder 1 reports0.09%
Ecchymosis 1 reports0.09%
Ectopic Pregnancy 1 reports0.09%
Ejection Fraction Decreased 3 reports0.27%
Electrocardiogram Poor R-wave Progression 1 reports0.09%
Electrocardiogram Qt Prolonged 2 reports0.18%
Electrocardiogram St Segment Depression 1 reports0.09%
Electrocardiogram St Segment Elevation 4 reports0.36%
Electrocardiogram T Wave Inversion 2 reports0.18%
Emotional Disorder 5 reports0.45%
Emotional Distress 7 reports0.63%
Energy Increased 1 reports0.09%
Eosinophilia 1 reports0.09%
Epistaxis 1 reports0.09%
Erectile Dysfunction 1 reports0.09%
Erythema 2 reports0.18%
Extrasystoles 2 reports0.18%
Eye Discharge 1 reports0.09%
Eye Disorder 1 reports0.09%
Eye Infection 1 reports0.09%
Eye Irritation 1 reports0.09%
Eye Movement Disorder 1 reports0.09%
Eye Swelling 2 reports0.18%
Eyelid Oedema 1 reports0.09%
Face Oedema 1 reports0.09%
Facial Paresis 1 reports0.09%
Facial Spasm 1 reports0.09%
Fall 3 reports0.27%
Fatigue 10 reports0.90%
Fear 2 reports0.18%
Feeling Abnormal 7 reports0.63%
Feeling Cold 3 reports0.27%
Feeling Hot 1 reports0.09%
Feeling Jittery 1 reports0.09%
Feeling Of Body Temperature Change 1 reports0.09%
Flatulence 2 reports0.18%
Fluid Overload 1 reports0.09%
Food Craving 1 reports0.09%
Full Blood Count Abnormal 1 reports0.09%
Gallbladder Cholesterolosis 4 reports0.36%
Gallbladder Disorder 10 reports0.90%
Gallbladder Injury 1 reports0.09%
Gallbladder Non-functioning 1 reports0.09%
Gallbladder Polyp 1 reports0.09%
Gastric Disorder 1 reports0.09%
Gastritis 1 reports0.09%
Gastroenteritis 2 reports0.18%
Gastrointestinal Disorder 1 reports0.09%
Gastrointestinal Sounds Abnormal 2 reports0.18%
Gastrooesophageal Reflux Disease 2 reports0.18%
Glycosylated Haemoglobin Increased 1 reports0.09%
Gout 1 reports0.09%
Grand Mal Convulsion 1 reports0.09%
Groin Pain 1 reports0.09%
Haematochezia 3 reports0.27%
Haemoglobin Decreased 1 reports0.09%
Haemorrhage Intracranial 4 reports0.36%
Haemorrhagic Stroke 3 reports0.27%
Hallucination 1 reports0.09%
Hallucination, Auditory 3 reports0.27%
Hallucination, Visual 1 reports0.09%
Hallucinations, Mixed 1 reports0.09%
Head Injury 1 reports0.09%
Headache 16 reports1.44%
Heart Rate Abnormal 1 reports0.09%
Heart Rate Increased 5 reports0.45%
Heart Rate Irregular 1 reports0.09%
Hemiparesis 1 reports0.09%
Hepatic Steatosis 1 reports0.09%
Hypercoagulation 5 reports0.45%
Hyperglycaemia 2 reports0.18%
Hyperhidrosis 3 reports0.27%
Hyperkinesia 1 reports0.09%
Hyperlipidaemia 2 reports0.18%
Hypersensitivity 1 reports0.09%
Hypertension 9 reports0.81%
Hyperuricaemia 1 reports0.09%
Hyperventilation 1 reports0.09%
Hypoaesthesia 6 reports0.54%
Hypoaesthesia Facial 1 reports0.09%
Hypoaesthesia Oral 1 reports0.09%
Hypokalaemia 2 reports0.18%
Hypophagia 1 reports0.09%
Hypotension 7 reports0.63%
Iatrogenic Injury 1 reports0.09%
Ileal Stenosis 1 reports0.09%
Ill-defined Disorder 1 reports0.09%
Impaired Driving Ability 1 reports0.09%
Impaired Work Ability 1 reports0.09%
Incorrect Dose Administered 2 reports0.18%
Increased Appetite 1 reports0.09%
Infection 1 reports0.09%
Inflammatory Bowel Disease 1 reports0.09%
Influenza Like Illness 1 reports0.09%
Infrequent Bowel Movements 1 reports0.09%
Injury 13 reports1.17%
Insomnia 10 reports0.90%
Intentional Overdose 2 reports0.18%
Intestinal Gangrene 2 reports0.18%
Intracranial Venous Sinus Thrombosis 1 reports0.09%
Iron Deficiency Anaemia 1 reports0.09%
Irritability 2 reports0.18%
Irritable Bowel Syndrome 2 reports0.18%
Joint Swelling 1 reports0.09%
Jugular Vein Thrombosis 1 reports0.09%
Kidney Infection 2 reports0.18%
Laparotomy 1 reports0.09%
Left Ventricular Dysfunction 2 reports0.18%
Left Ventricular Hypertrophy 1 reports0.09%
Lethargy 1 reports0.09%
Leukocytosis 1 reports0.09%
Lip Disorder 1 reports0.09%
Liver Disorder 1 reports0.09%
Localised Infection 1 reports0.09%
Loss Of Consciousness 12 reports1.08%
Loss Of Libido 1 reports0.09%
Lung Consolidation 1 reports0.09%
Lung Disorder 1 reports0.09%
Lymphadenopathy 1 reports0.09%
Malaise 4 reports0.36%
Mania 2 reports0.18%
Maternal Exposure During Pregnancy 2 reports0.18%
May-thurner Syndrome 1 reports0.09%
Melanocytic Naevus 1 reports0.09%
Memory Impairment 1 reports0.09%
Menorrhagia 3 reports0.27%
Menstruation Delayed 1 reports0.09%
Menstruation Irregular 1 reports0.09%
Mental Disorder 5 reports0.45%
Mental Status Changes 2 reports0.18%
Methylenetetrahydrofolate Reductase Deficiency 1 reports0.09%
Migraine 5 reports0.45%
Mitral Valve Disease 2 reports0.18%
Mitral Valve Incompetence 15 reports1.35%
Mitral Valve Prolapse 3 reports0.27%
Monoplegia 1 reports0.09%
Mood Altered 1 reports0.09%
Mood Swings 2 reports0.18%
Mouth Ulceration 2 reports0.18%
Movement Disorder 1 reports0.09%
Multi-organ Failure 1 reports0.09%
Murphy's Sign Positive 1 reports0.09%
Muscle Spasms 3 reports0.27%
Muscle Strain 1 reports0.09%
Muscle Tightness 1 reports0.09%
Muscular Weakness 3 reports0.27%
Myalgia 2 reports0.18%
Myocardial Infarction 13 reports1.17%
Myocardial Ischaemia 1 reports0.09%
Nasal Dryness 1 reports0.09%
Nasopharyngitis 2 reports0.18%
Nausea 19 reports1.71%
Neck Pain 1 reports0.09%
Nephrolithiasis 2 reports0.18%
Nerve Injury 1 reports0.09%
Nervousness 2 reports0.18%
Neuralgia 1 reports0.09%
Neuropathy Peripheral 1 reports0.09%
Nightmare 1 reports0.09%
No Adverse Event 1 reports0.09%
Normochromic Normocytic Anaemia 3 reports0.27%
Oedema Peripheral 3 reports0.27%
Opportunistic Infection 1 reports0.09%
Optic Disc Disorder 1 reports0.09%
Optic Disc Haemorrhage 1 reports0.09%
Optic Discs Blurred 1 reports0.09%
Optic Ischaemic Neuropathy 1 reports0.09%
Oropharyngeal Pain 2 reports0.18%
Ovarian Cyst 2 reports0.18%
Overdose 3 reports0.27%
Pain 22 reports1.98%
Pain In Extremity 6 reports0.54%
Palpitations 8 reports0.72%
Pancreatitis 3 reports0.27%
Panic Attack 4 reports0.36%
Panniculitis 2 reports0.18%
Papilloedema 2 reports0.18%
Papilloma Viral Infection 1 reports0.09%
Paraesthesia 2 reports0.18%
Paranoia 4 reports0.36%
Parotitis 1 reports0.09%
Pelvic Venous Thrombosis 1 reports0.09%
Penis Disorder 1 reports0.09%
Peripheral Coldness 1 reports0.09%
Peripheral Vascular Disorder 1 reports0.09%
Persecutory Delusion 1 reports0.09%
Personality Change 1 reports0.09%
Pharmaceutical Product Counterfeit 2 reports0.18%
Pharyngeal Oedema 1 reports0.09%
Phlebitis 2 reports0.18%
Phlebolith 1 reports0.09%
Physical Product Label Issue 1 reports0.09%
Pleural Effusion 2 reports0.18%
Pleurisy 1 reports0.09%
Pleuritic Pain 1 reports0.09%
Pneumomediastinum 5 reports0.45%
Pneumothorax 1 reports0.09%
Pollakiuria 1 reports0.09%
Polymyositis 2 reports0.18%
Posterior Reversible Encephalopathy Syndrome 3 reports0.27%
Postoperative Wound Infection 1 reports0.09%
Postpartum Haemorrhage 1 reports0.09%
Pre-existing Condition Improved 1 reports0.09%
Pregnancy 2 reports0.18%
Pregnancy On Oral Contraceptive 1 reports0.09%
Procedural Hypertension 3 reports0.27%
Proctocolitis 2 reports0.18%
Product Quality Issue 2 reports0.18%
Product Substitution Issue 2 reports0.18%
Product Taste Abnormal 1 reports0.09%
Progressive Multifocal Leukoencephalopathy 1 reports0.09%
Prostatomegaly 1 reports0.09%
Pruritus 1 reports0.09%
Psychotic Disorder 2 reports0.18%
Pulmonary Arterial Hypertension 1 reports0.09%
Pulmonary Embolism 14 reports1.26%
Pulmonary Hypertension 3 reports0.27%
Pulmonary Infarction 2 reports0.18%
Pulse Absent 1 reports0.09%
Pupillary Reflex Impaired 1 reports0.09%
Pyrexia 5 reports0.45%
Rash 2 reports0.18%
Rectal Haemorrhage 3 reports0.27%
Refusal Of Treatment By Patient 1 reports0.09%
Renal Failure Acute 4 reports0.36%
Respiratory Arrest 5 reports0.45%
Respiratory Disorder 2 reports0.18%
Restlessness 3 reports0.27%
Retinal Artery Occlusion 1 reports0.09%
Rhabdomyolysis 3 reports0.27%
Rhinitis Allergic 1 reports0.09%
Sinus Bradycardia 4 reports0.36%
Skin Discolouration 2 reports0.18%
Small Intestinal Obstruction 2 reports0.18%
Stress 2 reports0.18%
Stress Cardiomyopathy 3 reports0.27%
Subarachnoid Haemorrhage 2 reports0.18%
Suicidal Ideation 4 reports0.36%
Suicide Attempt 3 reports0.27%
Syncope 3 reports0.27%
Therapeutic Response Unexpected 2 reports0.18%
Thinking Abnormal 2 reports0.18%
Thrombosis 2 reports0.18%
Toxicity To Various Agents 4 reports0.36%
Transient Ischaemic Attack 2 reports0.18%
Tremor 2 reports0.18%
Tricuspid Valve Disease 2 reports0.18%
Tricuspid Valve Incompetence 6 reports0.54%
Tubulointerstitial Nephritis 4 reports0.36%
Urine Output Decreased 2 reports0.18%
Vasoconstriction 2 reports0.18%
Ventricular Fibrillation 13 reports1.17%
Ventricular Hypokinesia 4 reports0.36%
Ventricular Tachycardia 5 reports0.45%
Vomiting 13 reports1.17%
Weight Decreased 2 reports0.18%

Displaying 400 Phentermine side effects


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