Tamoxifen

This page shows anti-doping rule violation data we have registered for Tamoxifen.

Number of cases in Tamoxifen Last 10 Years

Tamoxifen

Tamoxifen ranks #26 globally among prohibited substances, with 162 registered cases (1.1% of all violations) among all sports tracked by the Anti-Doping Database, which contains 14,670 verified cases. India leads with 14 cases, while Bodybuilding is the most affected sport (26 cases).

Cases of Tamoxifen by Sport
Bodybuilding
26
Rugby
22
Track and field
21
Powerlifting
19
Weightlifting
18
Top Sport: Bodybuilding

26

Bodybuilding cases

0%

Of all violations

162

Total Tamoxifen cases
Bodybuilding's share of Tamoxifen violations 0%
26 of 162

Bodybuilding has the most recorded cases of Tamoxifen violations globally, with 26 registered cases — 0% of all 162 verified cases.

Cases of Tamoxifen by Country
India
14
South Africa
12
United Kingdom
11
Russia
8
Brazil
7
Top Country: India

14

India cases

8.6%

Of all violations

162

Total Tamoxifen cases
India's share of Tamoxifen violations 8.6%
14 of 162

India has the most recorded cases of Tamoxifen violations globally, with 14 registered cases — 8.6% of all 162 verified cases.

Global Substance Ranking

Tamoxifen ranks #26 of 358 prohibited substances in the Anti-Doping Database.

#1 Stanozolol
1,359
#2 Methandienone
833
#3 Norandrosterone
778
#4 Testosterone
758
···
#26 Tamoxifen
161
About This Ranking

This ranking covers only prohibited substances with verified case records in the Anti-Doping Database. Procedural violations (whereabouts failures, refusals to test, etc.) are excluded.

Active Sanctions — Expiry Year
Gender Distribution
Male 88.9%
144 cases
Female 11.1%
18 cases
Analysis: has a notably higher proportion of male cases (88.9%) compared to the global average (80.2%), a difference of 8.7 percentage points. Global average: 80.2% male, 19.8% female
Average Suspension Length
37.6
months
Tamoxifen
30.1
months
Global average

The average suspension for Tamoxifen violations is 37.6 months, longer than the global average of 30.1 months.

This substance was first listed in the IOC doping list on 1 January 2000 as an anti-estrogen prohibited in males.

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The Anti-Doping Database currently contains 14,670 verified anti-doping rule violations across all sports and all countries, and is updated regularly.