Understanding Orlistat's Effects on Menstrual Health
How Orlistat May Affect Your Menstrual Cycle
Orlistat works by blocking approximately one third of dietary fat absorption in your digestive system. While most side effects are gastrointestinal, some women experience irregular menstruation as an uncommon side effect. This may be due to weight loss itself, changes in fat-soluble vitamin absorption, or individual hormonal responses to treatment.
During your online clinical assessment, our UK-licensed prescribers will review your menstrual history and current cycle patterns. This helps determine whether prescription weight loss treatment is suitable for your individual circumstances.
Prescription Weight Loss Options Available
Following clinical assessment, you may be prescribed:
Orlistat 120mg (Generic): Our most cost-effective option at £32.99 for 4 weeks (£29.69 with EDM10). Contains the same active ingredient as branded alternatives but offers significant savings for long-term weight management.
Xenical 120mg (Branded): The original branded version at £42.99 for 4 weeks (£38.69 with EDM10). Clinically identical to generic orlistat but manufactured by Roche.
Alli 60mg: Lower-strength option at £28.99 for 4 weeks (£26.09 with EDM10). Half the dose of prescription strength, potentially with milder side effects.
Monitoring Your Response to Treatment
Women taking orlistat should monitor any changes to their menstrual cycle and report unusual patterns to their healthcare provider. Keep a cycle diary noting dates, flow changes, and any other symptoms. This information helps your prescriber adjust treatment if needed.
If you experience severe menstrual irregularities, persistent changes, or concerning symptoms while taking orlistat, contact your healthcare provider immediately. Some women find their cycles stabilise as their body adjusts to treatment and weight loss progresses.
Supporting Your Weight Management Journey
Orlistat works best when combined with a reduced-calorie, lower-fat diet containing no more than 30% calories from fat. This approach not only maximises the medication's effectiveness but also minimises gastrointestinal side effects.
Consider taking a daily multivitamin at bedtime, as orlistat may reduce absorption of fat-soluble vitamins (A, D, E, K). This is particularly important for women of reproductive age who need adequate nutrition for hormonal balance.
Starting Your Treatment Today
Complete our confidential online health questionnaire, including details about your menstrual health. A UK-licensed prescriber will review your information and determine the most suitable treatment option. Orders placed before 3pm receive next-day delivery across the UK.
All treatments are dispensed by our GPhC-registered pharmacy in Leicester with discreet packaging. Use code EDM10 for 10% off your order - valid for both new and returning customers on all orlistat products.


