The study aims to determine the efficacy of oral hyoscine butyl bromide versus diclofenac potassium on the pain scores during office hysteroscopy

Inclusion Criteria:

1. Patients that must perform a diagnostic hysteroscopy.
2. Acceptance to participate in the study.
3. Signed informed consent.
4. Not taking analgesics (acetaminophen, ibuprofen, mefenamic acid) before admission.
5. Absence of sedative use before admission

Exclusion Criteria:

1. Hypersensitivity to drugs
2. refusal of the patient
3. Patients are pregnant.