Liothyronine

Common brands: Cytomel, Synthroid, Liomny, Vitamin D, Levoxyl

Top reporter: Pfizer Laboratories Div Pfizer Inc

Benzodiazepine [EPC]Provitamin D2 Compound [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Corticosteroid [EPC]Vitamin C [EPC]
8,542
Total Reports
2,826
Serious Reports
201
Death Reports
30
Reported Reactions
Death Report Ratio: Moderate (2.35%)

Patient Demographics

Male
863
Female
6,966

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Liothyronine.

# Reaction Reports % of Total
1 DRUG INEFFECTIVE 948
7.5%
2 HEADACHE 874
6.9%
3 FATIGUE 833
6.6%
4 NAUSEA 576
4.5%
5 DYSPNOEA 554
4.4%
6 PAIN 476
3.7%
7 HYPERTENSION 464
3.6%
8 MALAISE 439
3.5%
9 WEIGHT INCREASED 436
3.4%
10 HYPOTHYROIDISM 429
3.4%
11 FEELING ABNORMAL 415
3.3%
12 DIZZINESS 391
3.1%
13 DIARRHOEA 381
3.0%
14 OFF LABEL USE 364
2.9%
15 ASTHMA 354
2.8%
16 GASTROOESOPHAGEAL REFLUX DISEASE 352
2.8%
17 INSOMNIA 352
2.8%
18 BURNING SENSATION 336
2.6%
19 ASTHENIA 331
2.6%
20 ANXIETY 330
2.6%
21 FIBROMYALGIA 328
2.6%
22 CARDIAC DISORDER 324
2.5%
23 ARTHRALGIA 322
2.5%
24 THERAPEUTIC PRODUCT EFFECT INCOMPLETE 321
2.5%
25 DEPRESSION 315
2.5%
26 SLEEP APNOEA SYNDROME 314
2.5%
27 ALOPECIA 304
2.4%
28 WEIGHT DECREASED 291
2.3%
29 CARPAL TUNNEL SYNDROME 285
2.2%
30 BLOOD TEST ABNORMAL 274
2.2%

Important Disclaimer

FDA adverse event reports are submitted voluntarily and do not prove causation. A reported reaction does not mean the drug caused it. Drugs with more users naturally have more reports. Always consult your doctor or pharmacist before making medication decisions.