Could you please check these sentences on illnesses, please? Thank you in advance.

1)I’ve got backache as a consequence of my slipped (herniated?) disc. I need to express this when I’m at the chemist’s or at the doctor’s. I need also to express that I need cortisone as a remedy for it.
2) I feel sick and I have diarrhea. I think I need an antibiotic.
3) He’s got plaques in his throat and keeps coughing. He can’t swallow anything.
4) He disinfected the deep/slight (opposite) cut in his child’s leg and put a plaster on it.
5) She varnished her fingers red (she put red nail varnish on ) and then let them dry.
He wiped the sweat from his forehead.

1) I have a backache as a result of my slipped disc. Could I get some cortisone to remedy it?

2) I feel sick and I have diarrhea. I think I need an antibiotic.
(Frankly, if you use an antibiotic when you already have diarrhea, the diarrhea will get worse! I'm sure that's not what you mean, right?)

3) He’s got plaques in his throat and keeps coughing. He can’t swallow anything.
(I don't know what "plaques" are. Please explain.)

4) He disinfected the deep/slight cut in his child’s leg and put a bandage on it.

5) She painted her fingernails red (she put red nail varnish on) and then let them dry.

He wiped the sweat from his forehead.
(OK)

1) "I’ve got backache as a consequence of my slipped (herniated?) disc. I need to express this when I’m at the chemist’s or at the doctor’s. I need also to express that I need cortisone as a remedy for it."

To check the sentences on illnesses, you can start by looking for any grammatical errors or clarity issues. Here is a revised version of the sentence:

"I have backache due to a slipped (herniated) disc. I need to communicate this when I visit the pharmacist or doctor. I also need to inform them that I require cortisone as a remedy."

2) "I feel sick and I have diarrhea. I think I need an antibiotic."

To check these sentences, you can make sure they are grammatically correct and concise. Here's a revised version:

"I feel sick and have diarrhea. I believe I may need an antibiotic."

Please note that it's important to consult a healthcare professional for proper diagnosis and treatment.

3) "He’s got plaques in his throat and keeps coughing. He can’t swallow anything."

To check these sentences, let's make sure they are clear and accurate:

"He has plaques in his throat and continues to cough. He is unable to swallow anything."

4) "He disinfected the deep/slight (opposite) cut in his child’s leg and put a plaster on it."

To check this sentence, we can clarify the meaning and make it grammatically correct:

"He disinfected his child's deep / superficial (opposite) cut on the leg and applied a plaster."

5) "She varnished her fingers red (she put red nail varnish on) and then let them dry. He wiped the sweat from his forehead."

These sentences seem grammatically correct as they are. However, if you want to change them slightly for clarity, you could say:

"She applied red nail varnish to her fingers and let them dry. He wiped the sweat off his forehead."

It's important to note that when describing symptoms or seeking medical advice, consulting a healthcare professional is always recommended.