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Table 8 Side effects declared in the registered herbal medicines package inserts or summary of product characteristics (2009–2020)

From: Safety profile of herbal medicines submitted for marketing authorization in Tanzania: a cross-sectional retrospective study

Plants contained in the herbal product

Possible side effects declared in the product (n = 22)

Syncarpia glomulifera, Eucalyptus globulus and Myristica fragrans, Camphor

Hypersensitivity reactions

Euphorbia prostrata

Dry mouth, nausea, gastralgia, abdominal pain, dyspepsia, dizziness, headache, skin and subcutaneous tissue disorders, contact dermatitis, immune system disorders, hypersensitivity

Glycyrrhiza glabra, Zingiber officinale, Emblica officinalis

Flatulence, laxative effect

Hedera helix

Nausea, vomiting, laxative effect

Serenoa repens

Dizziness, headache, nausea, vomiting, constipation, and diarrhoea. liver or pancreas problems

Vaccinium myrtillus, Betacarotene

Gastrointestinal distress, skin rashes, drowsiness

  1. n = number of package inserts/summary of product characteristics with declared side effects