Benign tumor in the neck

My sister has developed a benign tumor in the neck. Ouch. She has been prescribed strong anti-biotics to treat it. Can she do a LF?
She says her digestion is usually okay. But suffers from tons of seasonal/dust allergies. She has a 10 month old son. She also suffers from severe back aches after the delivery.

I want her to start doing Liver-Flush ASAP, but she said, she wants to complete her Antibiotic course. Tests have shown the tumor is NOT cancerous! Thank God.
What can she do.?
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