Utrogestan Adverse Reactions

Drowsiness and/or transient dizziness are particularly observed in patients with concomitantly low levels of oestrogen. These effects are immediately reversible upon reduction of the Progesterone (Utrogestan) dosage or escalation of the oestrogen dose, without compromising the therapeutic benefit.
The menstrual cycle may be shortened and/or intermenstrual bleeding may occur, if the treatment sequence is initiated too early, particularly before cycle day 15.
Altered menstrual cycles, amenorrhoea and intermenstrual bleeding have been observed and reported in association with general progestin use.
Oral: The following effects have been reported in association with soft capsules administered via the oral route: Common undesirable effects: altered menstrual cycles, amenorrhoea, intermenstrual bleeding, headaches.
Uncommon undesirable effects: drowsiness, transient dizziness, cholestatic jaundice, pruritus, gastrointestinal disorders.
If the patient notices any side effects not mentioned in this monograph, please inform the doctor.
Vaginal: After vaginal administration, local irritation may occur (due to the presence of soya lecithin, peanut oil).