Drug
Olopatadine Hydrochloride Ophthalmic
Important: Reactions below are the flagged terms from this drug’s
FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate
disproportionality in spontaneous reporting, not causation.
Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.
| Reaction | Co-reports (a) | PRR | ROR | Signal | |
|---|---|---|---|---|---|
| 1 | Treatment Failure | 1,933 | 126.3 | 243.2 | signal |
| 2 | Erythema Multiforme | 20 | 11.3 | 11.3 | signal |
| 3 | Seasonal Allergy | 25 | 9.3 | 9.3 | signal |
| 4 | Drug Eruption | 30 | 8.9 | 9.0 | signal |
| 5 | Infusion Site Pain | 20 | 8.2 | 8.2 | signal |
| 6 | Conjunctivitis | 24 | 6.8 | 6.9 | signal |
| 7 | Adrenal Insufficiency | 15 | 6.6 | 6.6 | signal |
| 8 | Eye Pruritus | 40 | 6.4 | 6.4 | signal |
| 9 | Body Temperature Decreased | 11 | 5.8 | 5.8 | signal |
| 10 | Hepatic Function Abnormal | 40 | 5.7 | 5.7 | signal |
| 11 | Eye Discharge | 11 | 5.6 | 5.7 | signal |
| 12 | Eye Infection | 12 | 5.6 | 5.6 | signal |
| 13 | Blood Pressure Fluctuation | 25 | 5.4 | 5.5 | signal |
| 14 | Ocular Discomfort | 10 | 4.8 | 4.8 | signal |
| 15 | Pharyngitis | 11 | 4.6 | 4.6 | signal |
| 16 | Eye Irritation | 49 | 4.6 | 4.6 | signal |
| 17 | Eye Pain | 47 | 4.5 | 4.5 | signal |
| 18 | Disseminated Intravascular Coagulation | 12 | 4.5 | 4.5 | signal |
| 19 | Sinusitis | 84 | 4.3 | 4.4 | signal |
| 20 | Ligament Sprain | 8 | 4.2 | 4.3 | signal |
| 21 | Pulmonary Mass | 12 | 4.2 | 4.2 | signal |
| 22 | Ear Infection | 21 | 4.1 | 4.2 | signal |
| 23 | Poor Venous Access | 8 | 4.1 | 4.1 | signal |
| 24 | Blood Pressure Systolic Increased | 15 | 4.0 | 4.0 | signal |
| 25 | Pneumonia Aspiration | 19 | 4.0 | 4.0 | signal |
| 26 | Productive Cough | 36 | 4.0 | 4.0 | signal |
| 27 | Skin Ulcer | 19 | 3.9 | 3.9 | signal |
| 28 | Product Packaging Quantity Issue | 8 | 3.8 | 3.8 | signal |
| 29 | Interstitial Lung Disease | 35 | 3.8 | 3.8 | signal |
| 30 | Diverticulitis | 20 | 3.8 | 3.8 | signal |
| 31 | Viral Infection | 24 | 3.8 | 3.8 | signal |
| 32 | Dermatitis Contact | 8 | 3.7 | 3.7 | signal |
| 33 | Oral Candidiasis | 9 | 3.6 | 3.6 | signal |
| 34 | Pulmonary Arterial Hypertension | 10 | 3.6 | 3.6 | signal |
| 35 | Ocular Hyperaemia | 31 | 3.5 | 3.5 | signal |
| 36 | Dry Eye | 32 | 3.5 | 3.5 | signal |
| 37 | Bacterial Infection | 12 | 3.4 | 3.4 | signal |
| 38 | Bronchitis | 48 | 3.4 | 3.4 | signal |
| 39 | Injection Site Extravasation | 8 | 3.4 | 3.4 | signal |
| 40 | Fungal Infection | 21 | 3.3 | 3.3 | signal |
| 41 | Autoimmune Disorder | 6 | 3.3 | 3.3 | signal |
| 42 | Myelodysplastic Syndrome | 9 | 3.3 | 3.3 | signal |
| 43 | Altered State Of Consciousness | 13 | 3.2 | 3.2 | signal |
| 44 | Pneumocystis Jirovecii Pneumonia | 6 | 3.1 | 3.1 | signal |
| 45 | Candida Infection | 10 | 3.1 | 3.1 | signal |
| 46 | Neutrophil Count Decreased | 24 | 3.1 | 3.1 | signal |
| 47 | Neuralgia | 14 | 3.0 | 3.0 | signal |
| 48 | Hereditary Angioedema | 6 | 3.0 | 3.0 | signal |
| 49 | Secretion Discharge | 7 | 3.0 | 3.0 | signal |
| 50 | Blood Lactate Dehydrogenase Increased | 9 | 3.0 | 3.0 | signal |
| 51 | Blood Cholesterol Increased | 26 | 2.9 | 2.9 | signal |
| 52 | Body Height Decreased | 6 | 2.9 | 2.9 | signal |
| 53 | Pharyngitis Streptococcal | 6 | 2.9 | 2.9 | signal |
| 54 | Asthma | 60 | 2.8 | 2.8 | signal |
| 55 | Tooth Infection | 7 | 2.8 | 2.8 | signal |
| 56 | Uveitis | 7 | 2.7 | 2.7 | signal |
| 57 | Sinus Congestion | 7 | 2.7 | 2.7 | signal |
| 58 | Lacrimation Increased | 15 | 2.6 | 2.6 | signal |
| 59 | Stevens-johnson Syndrome | 11 | 2.6 | 2.6 | signal |
| 60 | Cerebral Infarction | 12 | 2.6 | 2.6 | signal |
| 61 | Drug-induced Liver Injury | 15 | 2.5 | 2.6 | signal |
| 62 | Febrile Neutropenia | 32 | 2.5 | 2.5 | signal |
| 63 | Rhinorrhoea | 31 | 2.5 | 2.5 | signal |
| 64 | Brain Fog | 7 | 2.5 | 2.5 | signal |
| 65 | Cytokine Release Syndrome | 9 | 2.5 | 2.5 | signal |
| 66 | Localised Infection | 11 | 2.4 | 2.4 | signal |
| 67 | Melaena | 10 | 2.4 | 2.4 | signal |
| 68 | Product Use Complaint | 7 | 2.4 | 2.4 | signal |
| 69 | Prescribed Underdose | 9 | 2.4 | 2.4 | signal |
| 70 | Acute Myeloid Leukaemia | 7 | 2.4 | 2.4 | signal |
| 71 | Sars-cov-2 Test Positive | 6 | 2.4 | 2.4 | no signal |
| 72 | Hypersensitivity | 83 | 2.3 | 2.4 | signal |
| 73 | Influenza | 50 | 2.3 | 2.4 | signal |
| 74 | Intestinal Perforation | 5 | 2.3 | 2.3 | no signal |
| 75 | Nasal Congestion | 26 | 2.3 | 2.3 | signal |
| 76 | Scab | 5 | 2.3 | 2.3 | no signal |
| 77 | Neoplasm | 5 | 2.3 | 2.3 | no signal |
| 78 | Eye Swelling | 16 | 2.3 | 2.3 | signal |
| 79 | Device Defective | 7 | 2.3 | 2.3 | no signal |
| 80 | Middle Insomnia | 8 | 2.3 | 2.3 | signal |
| 81 | Eyelid Oedema | 5 | 2.2 | 2.2 | no signal |
| 82 | Infusion Related Reaction | 28 | 2.2 | 2.2 | signal |
| 83 | Skin Fissures | 8 | 2.2 | 2.2 | signal |
| 84 | Covid-19 Pneumonia | 5 | 2.2 | 2.2 | no signal |
| 85 | Eczema | 21 | 2.2 | 2.2 | signal |
| 86 | Oral Herpes | 8 | 2.2 | 2.2 | no signal |
| 87 | Insurance Issue | 6 | 2.1 | 2.1 | no signal |
| 88 | Anaphylactic Reaction | 22 | 2.1 | 2.1 | signal |
| 89 | Herpes Zoster | 23 | 2.1 | 2.1 | signal |
| 90 | Toxic Skin Eruption | 4 | 2.1 | 2.1 | no signal |
| 91 | Initial Insomnia | 4 | 2.1 | 2.1 | no signal |
| 92 | Euphoric Mood | 4 | 2.0 | 2.0 | no signal |
| 93 | Illness | 39 | 2.0 | 2.0 | signal |
| 94 | Blood Glucose Abnormal | 7 | 2.0 | 2.0 | no signal |
| 95 | Intentional Dose Omission | 10 | 1.9 | 1.9 | no signal |
| 96 | Drug Effect Less Than Expected | 5 | 1.9 | 1.9 | no signal |
| 97 | Rebound Effect | 4 | 1.8 | 1.8 | no signal |
| 98 | Internal Haemorrhage | 4 | 1.8 | 1.8 | no signal |
| 99 | Spinal Operation | 4 | 1.7 | 1.7 | no signal |
| 100 | Blood Count Abnormal | 5 | 1.7 | 1.7 | no signal |
| 101 | Blood Thyroid Stimulating Hormone Increased | 3 | 1.7 | 1.7 | no signal |
| 102 | Therapeutic Response Shortened | 10 | 1.6 | 1.6 | no signal |
| 103 | Product Availability Issue | 7 | 1.6 | 1.6 | no signal |
| 104 | Injection Site Induration | 4 | 1.6 | 1.6 | no signal |
| 105 | Rash Generalised | 8 | 1.6 | 1.6 | no signal |
| 106 | Cytomegalovirus Infection | 5 | 1.6 | 1.6 | no signal |
| 107 | Cardiac Disorder | 27 | 1.5 | 1.5 | no signal |
| 108 | Myelosuppression | 9 | 1.4 | 1.4 | no signal |
| 109 | Dermatitis Atopic | 13 | 1.4 | 1.4 | no signal |
| 110 | Device Leakage | 11 | 1.4 | 1.4 | no signal |
| 111 | Caesarean Section | 3 | 1.3 | 1.3 | no signal |
| 112 | Sleep Disorder Due To A General Medical Condition | 4 | 1.3 | 1.3 | no signal |
| 113 | Incorrect Product Administration Duration | 5 | 1.3 | 1.3 | no signal |
| 114 | Injection Site Discolouration | 3 | 1.3 | 1.3 | no signal |
| 115 | Ankylosing Spondylitis | 3 | 1.2 | 1.2 | no signal |
| 116 | Malignant Neoplasm Progression | 22 | 1.1 | 1.1 | no signal |
| 117 | Expired Product Administered | 7 | 1.1 | 1.1 | no signal |
| 118 | Injection Site Pruritus | 14 | 1.1 | 1.1 | no signal |
| 119 | Device Failure | 3 | 1.0 | 1.0 | no signal |
| 120 | No Adverse Event | 34 | 1.0 | 1.0 | no signal |
| 121 | Product Substitution Issue | 11 | 1.0 | 1.0 | no signal |
| 122 | Injection Site Swelling | 14 | 1.0 | 1.0 | no signal |
| 123 | Injection Site Mass | 6 | 0.9 | 0.9 | no signal |
| 124 | Gastric Cancer | 4 | 0.8 | 0.8 | no signal |
| 125 | Injection Site Rash | 4 | 0.7 | 0.7 | no signal |
| 126 | Device Breakage | 5 | 0.7 | 0.7 | no signal |
| 127 | Injection Site Urticaria | 3 | 0.6 | 0.6 | no signal |
| 128 | Injection Site Erythema | 15 | 0.6 | 0.6 | no signal |
| 129 | Drug Exposure During Pregnancy | 4 | 0.6 | 0.6 | no signal |