Soy isoflavone extracts and supplements are available as dietary supplements without a prescription in the US. These products are not standardized, and the amounts of soy isoflavones they provide may vary considerably.
This can sometimes be caused by allergies, infections, and even tumors, but it is often simply something that some people have due to their anatomy (ie, they were born with a pre-disposition to this problem). Sometimes, this clogged feeling in the ear can be a trigger for headaches. As you know, headaches can come on from almost any cause, and some people will have different things that are triggers for these headaches to start. Continued ear pain, hearing loss, and dizziness would all be potentially worrisome symptoms.
Enlarged adenoids and allergies can also interfere with drainage. Ear infections can occur at any age, but they are more common in children. Headaches may occur in conjunction with ear pain or on their own. Nearly anything can be responsible for a headache. Stress, muscle tension, changes in diet or sleep patterns, infections, medications, certain scents, air pollution and vision problems are some common causes. Infections, particularly in the sinuses, and other medical conditions, such as hypoglycemia and meningitis, can also trigger headaches.