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Events / Technology / Wegovy Side Effects: Black Tongue,...
Tech medical side-effects

Wegovy Side Effects: Black Tongue, Gallbladder

Analysis based on 7 articles · First reported Apr 13, 2026 · Last updated Apr 14, 2026

Sentiment
-50
Attention
4
Articles
7
Market Impact
General
Live prominence charts, article sentiment distribution, and event development timeline available on the Ergen Dashboard
Market Impact

The event could negatively impact the stock price and reputation of Novo Nordisk, the manufacturer of Semaglutide, as public awareness of potential severe side effects increases. It may also lead to increased scrutiny and potentially stricter regulations on weight-loss injections, affecting the broader pharmaceutical and healthcare industries.

Pharmaceuticals Healthcare
Event Summary

Sarah-Jayne Crawford, 32, began taking Semaglutide in August 2024 for weight loss. After increasing her dosage, she experienced severe side effects including sharp stomach pains, frequent vomiting, and her tongue turning jet black. Scans at Antrim Area Hospital revealed multiple gallstones blocking her bile duct and diverticulitis, leading her to stop the injections. In February 2025, she underwent a cholecystectomy to remove her gallbladder. Sarah-Jayne Crawford is now raising awareness about the potential dangers of weight-loss injections. Novo Nordisk, the manufacturer of Semaglutide, acknowledged that gallstones are a common potential adverse reaction listed in the product's Summary of Product Characteristics.

Entities Involved
per
Sarah-Jayne Crawford
Sarah-Jayne Crawford experienced severe side effects, including a black tongue and gallstones requiring gallbladder removal, after taking Semaglutide for weight loss. She is now raising awareness about the potential risks of the injections.
Importance 100.0 Sentiment -70.0
stock
Novo Nordisk
Novo Nordisk, the manufacturer of Semaglutide, is facing scrutiny due to reports of severe adverse reactions experienced by Sarah-Jayne Crawford. They have issued a statement acknowledging gallstones as a common potential adverse reaction.
Importance 80.0 Sentiment -30.0
govactor
United States — National Center for Biotechnology Information
The United States — National Center for Biotechnology Information is cited as a source confirming that semaglutide, the active agent in Semaglutide, can cause side effects like dry mouth, halitosis, sulphur-smelling burps, and potentially a black-coated tongue.
Importance 20.0 Sentiment 0.0
loc
United Kingdom — Northern Ireland
Importance 0.0 Sentiment 0.0
govactor
United Kingdom — National Health Service
Importance 0.0 Sentiment 0.0
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