These sentences all have a missing word that is difficult to spell.
Listen and complete the gaps.

The pharmacist advised against mixing antacids containing hydroxide with my medication.
The physiotherapist explained that the shoulder pain is due to impingement.
The dermatologist explained that melanin determines skin pigmentation.
The infection spread to the thin membrane around the lungs.
I’ve been experiencing severe menstrual cramps recently.
The dentist said there’s a build-up of plaque on my teeth.
I’m using a cream to reduce the scarring on my face.
I’ve caught a virus, and I’m feeling quite unwell.
Check