SYNTHROID

Generic: LEVOTHYROXINE SODIUM

Manufacturer: Abbvie Inc.

Nonsteroidal Anti-inflammatory Drug [EPC]Corticosteroid [EPC]Benzodiazepine [EPC]Provitamin D2 Compound [EPC]Platelet Aggregation Inhibitor [EPC]
272,249
Total Reports
76,636
Serious Reports
17,789
Death Reports
30
Reported Reactions
Death Report Ratio: High (6.53%)

Patient Demographics

Male
49,751
Female
206,555

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for SYNTHROID.

# Reaction Reports % of Total
1 FATIGUE 23,035
7.0%
2 NAUSEA 19,803
6.0%
3 DRUG INEFFECTIVE 18,647
5.7%
4 HEADACHE 16,763
5.1%
5 DIARRHOEA 16,486
5.0%
6 DYSPNOEA 14,690
4.5%
7 PAIN 14,676
4.5%
8 DIZZINESS 13,603
4.1%
9 OFF LABEL USE 12,074
3.7%
10 ARTHRALGIA 11,799
3.6%
11 ASTHENIA 11,595
3.5%
12 MALAISE 10,815
3.3%
13 FALL 10,572
3.2%
14 VOMITING 10,538
3.2%
15 WEIGHT DECREASED 8,803
2.7%
16 PAIN IN EXTREMITY 8,752
2.7%
17 RASH 8,679
2.6%
18 PRURITUS 8,384
2.6%
19 INSOMNIA 8,137
2.5%
20 ANXIETY 7,976
2.4%
21 COUGH 7,899
2.4%
22 PNEUMONIA 7,798
2.4%
23 WEIGHT INCREASED 7,707
2.3%
24 FEELING ABNORMAL 7,295
2.2%
25 PYREXIA 7,247
2.2%
26 ALOPECIA 7,047
2.1%
27 CONSTIPATION 6,928
2.1%
28 BACK PAIN 6,872
2.1%
29 HYPERTENSION 6,855
2.1%
30 DEATH 6,774
2.1%

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.